document.write( "Question 879923: the perimete of a rectangle is 640m.twice the width is 40cm more than the length.find the dimensions of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #531113 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
w=L+40 and 2w+2L=640.
\n" ); document.write( "Two equations in two unknowns.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "L=140, w=180
\n" ); document.write( "
\n" );